Home / 64,115.37-88,472.75-43,989.21

Finding the Fourth Proportional to 64,115.37, 88,472.75 and 43,989.21

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Solution

The fourth proportional to 64,115.37, 88,472.75 and 43,989.21 is: 60,700.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,115.37 : 88,472.75 = 43,989.21 : x
  2. Step 2: Convert to fraction form
    64,115.37/88,472.75 = 43,989.21/x
  3. Step 3: Cross multiply
    64,115.37x = 88,472.75 × 43,989.21
  4. Step 4: Simplify right side
    64,115.37x = 3,891,846,159.08
  5. Step 5: Solve for x
    x = 3,891,846,159.08/64,115.37
  6. Step 6: Final answer
    x = 60,700.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.